test_base_blob_parser() — langchain Function Reference

Architecture documentation for the test_base_blob_parser() function in test_base.py from the langchain codebase.

Function python CoreAbstractions Serialization calls 1

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CoreAbstractions→ Serialization→ test_base_blob_parser() — langchain Function Reference

Dependency Diagram

graph TD
  d1fe5bc3_a8c2_daa5_9413_6cad1635adb8["test_base_blob_parser()"]
  04353e17_7a2a_a42e_4595_1cfd1500c7e4["test_base.py"]
  d1fe5bc3_a8c2_daa5_9413_6cad1635adb8 -->|defined in| 04353e17_7a2a_a42e_4595_1cfd1500c7e4
  198fed43_66f7_275c_7fb6_ad028d2c7fe5["lazy_parse()"]
  d1fe5bc3_a8c2_daa5_9413_6cad1635adb8 -->|calls| 198fed43_66f7_275c_7fb6_ad028d2c7fe5
  style d1fe5bc3_a8c2_daa5_9413_6cad1635adb8 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/core/tests/unit_tests/document_loaders/test_base.py lines 13–33

def test_base_blob_parser() -> None:
    """Verify that the eager method is hooked up to the lazy method by default."""

    class MyParser(BaseBlobParser):
        """A simple parser that returns a single document."""

        @override
        def lazy_parse(self, blob: Blob) -> Iterator[Document]:
            """Lazy parsing interface."""
            yield Document(
                page_content="foo",
            )

    parser = MyParser()

    assert isinstance(parser.lazy_parse(Blob(data="who?")), Iterator)

    # We're verifying that the eager method is hooked up to the lazy method by default.
    docs = parser.parse(Blob(data="who?"))
    assert len(docs) == 1
    assert docs[0].page_content == "foo"